Customizablet 40W 4000lm LED linear lighting CRI(83 90 95) SL925 kosoom


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999 in stock

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All our products are certified with

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5 Years Warranty

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SKU: C_SL925 Category:

SL925 LED linear lighting product description

The SL925 utilizes efficient power drivers and high-quality, efficient LED light sources, which contribute to energy savings and reduced electricity expenses.

Multiple control options are available for the SL925, including 0-10V, DALI, TRIAC, and other intelligent control methods. It seamlessly integrates with mainstream control hardware, making installation, debugging, and maintenance convenient while catering to individual preferences.

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Why choose SL925 LED linear lighting?

Outstanding energy efficiency

The SL925 LED linear lighting demonstrates excellent energy efficiency, with a power factor (PF) of ≥0.9. It also delivers high luminous efficacy, reaching up to 100Lm/W. Compared to traditional lighting types such as fluorescent lamps and CFLs, it significantly reduces energy consumption and electricity costs. The energy efficiency advantage of LED linear fixtures makes it the preferred choice for sustainable lighting solutions.

Long lifespan

The SL925, featuring LED chips, boasts an ultra-long lifespan. Based on tests conducted by kosoom engineers, the SL925 typically has a lifespan of up to 50,000 hours. This greatly reduces the frequency of maintenance and replacement for LED linear fixtures, resulting in lower repair costs and inconvenience.

Environmentally friendly

The SL925 is environmentally friendly. Neither the chips inside the fixtures nor the various accessories, including the housing, contain harmful substances such as mercury. Even after reaching the end of its lifespan, the SL925 is highly suitable for recycling and does not have a negative impact on the environment.

SL925 LED linear lighting product description

The SL925 is a customizable LED linear lighting solution that supports personalization. It offers flexible customization options for various parameters, such as color rendering index, fixture appearance color, beam angle, and color temperature, allowing you to tailor it to your specific requirements.

The SL925 features a durable construction with a body made of 6063 aluminum alloy and PC flame-retardant material. The aluminum alloy is treated to resist oxidation, providing heat and corrosion resistance. The aluminum body also acts as an excellent heat sink, effectively dissipating the heat generated by the LED light source. This innovative thermal management design ensures optimal operating temperature

With high-efficiency LED light sources and excellent light transmittance PC optical lenses, the SL925 achieves a color tolerance of less than 3 and has a fire rating of V2. The SL925 LED linear fixture is designed for suspension mounting and has dimensions of 1185*55*80.

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The SL925 operates at a power of 40W, providing an output of 4000 lumens.

Fixture colors

Choose between minimalist black or white options, or opt for personalized customization with other color choices.

Beam angle

Multiple customization options are available for beam angles, ranging from narrow to medium. It supports three beam angles: 15°, 24°, and 45°, making it suitable for office task lighting.

Color temperature options

Choose from commonly used warm white to daylight color temperatures, including 2700K, 3000K, 3500K, 4000K, and 5000K.

Color rendering index (CRI)

Various options are available for customizing the color rendering index, such as CRI ≥ 83, CRI ≥ 90, and CRI ≥ 95, with an R9 index greater than 50.

Power parameters

Equipped with high-quality LIFUD power drivers, the SL925 offers excellent flicker control functionality and a power factor (PF) of ≥ 0.9. It supports two power supply options: 220V~240V and 100-277V. The fixture is supplied with a stable power delivery through multi-core flexible copper wires.

Protection rating

The SL925 has an IP20 protection rating, preventing direct contact with internal components and protecting against the intrusion of objects larger than 12.5mm in diameter.

SL925 LED linear lighting applications

Office spaces

The SL925 LED linear lighting fixtures are commonly used in office environments, such as open-plan offices and individual offices in office buildings. They are also suitable for conference rooms. In these office spaces, they are typically used for task lighting on desks. The fixtures are suspended above the desks, and the beam angle can be selected based on the installation height, providing various options to suit your lighting needs, installation height, and desk size.

Commercial spaces

The SL925 is also suitable for other commercial spaces, such as management offices in commercial areas and offices for property personnel. It can fulfill various requirements for color rendering index. If you have a personal independent studio and require a high color rendering index, the SL925 is the ideal choice. We offer customization with a CRI ≥ 95.

For supermarket or retail checkout areas, the SL925 is an excellent choice. These areas require high-quality and bright lighting to ensure smooth checkout operations. The high color rendering index also enhances the final confirmation and display of products, enhancing the shopping experience for customers.

SL925 LED linear lighting installation

Tools you will need

Pencil or chalk, measuring tape, electric drill, screwdriver, electrical tester.

Installation steps

Step 1: All active power sources should be turned off before starting the installation. Use an electrical tester to ensure there is no live power on the circuit. If the indicator light on the electrical tester does not turn on, it means the power has been safely disconnected.

Step 2: Refer to the fixture design drawings to determine the installation location of the SL925 LED linear lighting. Mark the positions on the ceiling where the installation brackets need to be drilled using a pencil. Then, drill holes at the marked positions and secure the installation brackets to the ceiling. Note that some specific installations may require additional hooks to complement the ceiling brackets, which we do not provide, but you can easily purchase them at any DIY store.

Step 3: Use steel wire or suspension rods to fix the SL925 LED linear lighting to the ceiling brackets and adjust the fixtures to the desired height. You can adjust them based on the instructions provided in the lighting design drawings and ensure the stability of their installation.

Step 4: Retrieve the reserved power wires and use an electrical tester to confirm that the power is disconnected. Then, turn off the power again. Use wire connectors to connect the wires of the LED linear lighting to the reserved power wires. Connect the grounding wire of the fixture to the grounding wire inside the ceiling.

Repeat this step for all remaining embedded LED linear lighting fixtures.


SL925 LED linear lighting product testing

To ensure product quality and performance, all our SL925 LED linear lighting fixtures undergo rigorous testing procedures before shipment to ensure their compliance.

Electrical safety assessment: We conduct essential electrical safety tests to verify that the SL925 LED linear lighting fixtures do not pose potential safety risks such as electric shock or fire during normal use. This testing includes factors such as electrical shock protection, insulation resistance, grounding continuity, and electrical leakage.

Optical performance testing: Our professional team thoroughly evaluates the brightness, light output, color temperature, color consistency, and beam angles of the SL925 LED linear lighting fixtures through a series of optical performance tests. This includes tests for light output, light distribution curve, and color correlation.

Durability verification: We comprehensively assess the durability and reliability of the SL925 LED linear lighting fixtures by simulating various environmental and operating conditions that may be encountered during their normal lifespan. This includes vibration detection, temperature cycling tests, and mechanical impact tests.

Electromagnetic compatibility review: We conduct electromagnetic compatibility testing to ensure that the SL925 LED linear lighting fixtures do not interfere with other electronic devices and are not affected by other electromagnetic sources.

Safety standards compliance check: The SL925 LED linear lighting fixtures must meet specific safety standards and regulatory requirements. Therefore, we perform relevant certification tests, including CE certification, ROHS certification, etc., to ensure their full compliance with industry and international standards.

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SL925 LED linear lighting purchasing and service information

Purchase Channels

Customize the relevant parameters through our online store or send us an email with your requirements. We will provide you with customized solutions and delivery schedules. Once the product is completed, it will be shipped from Milan, Italy.

Provide us with your EU tax number, and we can provide you with a tax-exempt invoice. If you don’t have an EU tax number, a 22% tax fee will be charged, and the invoice will be sent with the goods.

Price Information

We aim to provide high-efficiency and high-quality LED products with strict control over product quality. The customized products have different prices depending on your order quantity. If you have a large quantity, we can offer you an unexpected discount price.

After-sales Service

We attach great importance to after-sales service and customer satisfaction. We provide free technical support and a 5-year free product repair service for customized products. We also offer free lighting solutions for commercial spaces. If you encounter any problems while using our products, contact us online or via email. Our professional after-sales team is available to assist you at any time.

Product Certification

We always strive to provide customers with high-quality lighting products. To ensure the performance of the fixtures, all our fixtures have passed CE and ROHS certifications.


What is the wattage of SL925?

The SL925 has a power of 40W and provides a light output of 4000 lumens, making it suitable for office lighting.

How is SL925 installed?

The SL925 is designed for suspension mounting and can be fixed using steel wire or metal rods. Pay attention to the installation height of the fixture.

Does SL925 accurately reproduce colors?

The SL925 offers multiple color rendering options. We provide customization options with CRI indices exceeding 83, 90, and 95 to choose from.

Is SL925 safe and environmentally friendly?

The SL925 has undergone various fixture tests, including safety requirements, and has passed rigorous CE and ROHS certifications.

What spaces can SL925 be used in?

The SL925 is commonly used in office areas, whether in office spaces of office buildings or office areas in commercial spaces.

When can the goods be shipped after purchase?

The SL925 is a customized product. After receiving your requirements, we will respond within 24 hours, providing you with a production plan and delivery time for the fixtures.

Can an invoice be provided?

Provide us with your EU tax number, and we will provide you with a tax-exempt invoice. If you cannot provide one, a 22% tax fee will be charged. The invoice will be shipped with the goods to you.


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Kosoom is a renowned Italian brand specializing in commercial lighting. With 8 production facilities worldwide, we have established partnerships with clients from over 70 countries. Our headquarters is located at Via Talamoni, 6, 20861 Brugherio MB, Italy, and you can reach us at +39 3400054590. We take pride in offering a diverse range of high-quality commercial lighting products and solutions, including various LED fixtures, linear lights, pendant lights, track lights, downlights, spotlights, and more.Distinguished for our commitment to providing efficient and energy-saving lighting products and solutions, Kosoom employs advanced technology and top-notch products to deliver environmentally friendly lighting solutions. Additionally, we offer customization services to cater to the unique needs of our clients. We look forward to collaborating with you, providing professional and reliable lighting solutions for your specific requirements.

About Price

All our lighting products are priced inclusive of value-added tax, offering excellent value for money. Across various categories, we boast the lowest prices in Europe, truly making a striking impact! With a substantial inventory in our warehouse in Italy, we ensure swift delivery once you place an order on the Kosoom online store. Our prices are more favorable compared to Tecnomat. If you are a professional or a company, feel free to reach out to us to avail exclusive pricing.

Lead Time

All our orders are guaranteed to be dispatched within 24-48 hours. In the rare instance where unforeseen circumstances may cause a delay, rest assured that we will promptly inform you. For customized products, we seek mutual agreement on the delivery timeframe to ensure both parties are in sync with the tailored order's schedule.

About Returns

It's important to note that returns are not accepted for non-quality-related issues. However, in cases where there are quality concerns, we are open to exchanges or returns. All our products come with a warranty period of 3-5 years, ensuring a commitment to quality assurance.

About Invoice

Upon placing an order, we will generate an invoice that includes comprehensive details such as the order number, a detailed list of purchased products, quantities, prices, any applicable taxes or discounts, and the total amount paid. This invoice will be sent to the email address associated with your order. Should you have specific requests or require additional copies of the invoice, feel free to reach out to our customer support team, and they will be more than happy to assist you.

Product Warranty Time

With the exception of customized products, all our items come with a warranty of 3-5 years. We pledge to adhere to a "replace without repair" policy in the event of any quality issues, ensuring maximum protection of your rights. For information regarding the warranty period for customized products, please feel free to reach out to us for consultation.

About Logistics And Transportation

Our dispatch location is at Via Talamoni, 6, 20861 Brugherio MB, Italy. Shipments will be sent via BRT or other express services. For any special requests, feel free to get in touch with us, and typically, we process and dispatch orders within 24-48 hours.

How to view or purchase products of the same model with different parameters?

You have the option to explore and purchase products with varying specifications and accessories from the same series by referring to the table located beneath the product images on the current page.

What are the advantages of Kosoom lamps compared to other brands?

Comparing the prices of lighting fixtures with other brands, you'll discover that many categories of Kosoom products boast the lowest prices in Europe. All our products come with a 3-5 year warranty, ensuring a prolonged period of quality assurance, alleviating concerns about potential issues. Furthermore, the diverse product line from Kosoom caters to various lighting needs, including indoor and outdoor fixtures. Whether you're seeking ideal lighting solutions for home, commercial, or outdoor spaces, we offer a multitude of choices to meet the personalized requirements of different customers. Our commitment lies in creating bright and welcoming lighting environments while consistently striving for excellence in the diversity and quality of our products.

Can I become a partner of Kosoom?

Certainly! We welcome you to become a distributor for Kosoom. As our partner, you'll enjoy greater discounts and favorable pricing, along with support from our eight production facilities worldwide to enhance your business competitiveness.

Are there any other discounts for professionals?

Saluting the professionals and installers in the lighting industry! We recognize your dedicated expertise and contributions to the field of lighting. As a token of appreciation for your ongoing support and collaboration, we are pleased to offer you exclusive, tailored benefits. Register now to secure the advantages reserved just for you.

Can products be customized according to needs?

We are pleased to customize products to meet your specific requirements. However, customized production requires a certain amount of time and resources. Therefore, our minimum order quantity for custom products is 500 units, and the production lead time is at least 30 days or more.

Is it possible to purchase only a few lamps?

Certainly! You can choose to purchase a few light fixtures based on your actual needs. We welcome you to select according to your personal preferences and space requirements. Please note that if the order amount doesn't meet the free shipping conditions, there may be a shipping fee. It's advisable to consider buying multiple products at once. This not only helps increase the order amount for free shipping but also better satisfies your lighting needs. Additionally, purchasing a variety of light fixtures allows you to create a more diverse lighting effect in different spaces, enhancing overall aesthetics and functionality.



Kosoom offers its resellers the lowest possible price, available upon verification of identity.
Resellers can enjoy not only competitive prices, but also discounts of up to 25% if the order quantity meets certain conditions.
Please note: certain qualifications and order quantities are required to obtain this status.



Kosoom offers professionals a very convenient price, available after identity verification.
If the order quantity meets certain conditions, the professional can enjoy not only a satisfactory price, but also a discount of up to 20%.
Please note: certain qualifications and order quantities are required to obtain this status.



2% discount on purchases over 300€
5% discount on purchases over 600€
10% discount on purchases over 1000€
(The above is the amount including tax)

Welcome to Kosoom! We are here to offer you the most cost-effective spot lighting products in Europe, along with a range of thoughtful shopping benefits:

Free Shipping Policy:
In Italy, we provide free shipping for orders exceeding 120 euros.
For other European regions, you can enjoy free shipping on orders over 200 euros.

Multiple Discount Offers:
For orders surpassing 500 euros, you’ll receive an additional 2% discount.
Exceeding 1000 euros, the discount increases to 4%.
For orders exceeding 3000 euros, you’ll enjoy a generous 6% discount.

Exclusive Industry Discounts:
If you are an electrician, wholesaler, or corporate purchaser, we are willing to provide additional discounts based on your specific needs, with bulk discounts of up to 20%.

Swift Delivery Service:
We aim to dispatch your order within 24/48 hours after confirmation, ensuring you receive your desired products as soon as possible.

Long-Term Quality Assurance:
All our luminaires come with a 3-5 year quality guarantee, providing additional assurance for your purchases.

Contact Us:
Feel free to reach out for any questions or needs.
Phone: +39 3400054590
Email: [email protected]

Kosoom looks forward to providing you with high-quality lighting products and attentive service. Let’s work together to create a bright and welcoming lighting environment!

As a professional and robust commercial lighting company, Kosoom has consistently prioritized quality as our primary goal. To ensure that our products maintain the best cost-effectiveness in the market, we have implemented a series of rigorous quality control measures, ensuring that each luminaire undergoes meticulous manufacturing and strict inspection.

Quality Inspection Process:
Every product undergoes a stringent quality inspection process before leaving the factory. This includes visual checks to ensure the absence of scratches on the housing or mirrors, secure screw fastening, and accurate labeling. Additionally, we conduct photoelectric parameter tests, covering color temperature, color rendering index, luminous flux, light distribution curve, power, power factor, etc., to ensure that the product’s lighting performance reaches optimal levels. We also perform aging tests, ground resistance checks, withstand voltage tests, etc., to verify the stability and durability of the product during long-term use.

Quality Assurance Commitment:
We provide a 3-5 year warranty for each product, offering a robust guarantee for product quality. In the event of any quality issues within the warranty period, our dedicated after-sales customer service team is ready to assist you. Importantly, we pledge to adhere to a “replace-only, no repair” policy in case of product quality issues, ensuring the maximum protection of your rights.

Professional After-Sales Service:
Our after-sales customer service team is highly professional, capable of responding promptly to your needs and providing expert solutions. We strictly adhere to our after-sales policy, aiming to ensure that you feel secure and confident in purchasing and using our products.

Kosoom is committed to providing customers with outstanding value for money and excellent product quality. We will continue our unwavering efforts to ensure that you consistently enjoy a high-quality lighting experience.


Rated 4.6 out of 5

based on 20 authentic reviews

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Ho comprato una applique led a muro con Luce riflettente Sia superiore che inferior per il soggoiorno di casa.... Prodotto davvero fantastico...
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Ho acquistato delle lampada a parete per la camera da Letto prezzi Medio alto ma labqualita e eccelsa e li vale tutti.consegna rapidissima in un packaging perfetto consiglitissimo
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Stavo cercando su internet dei lampadari moderni per I bagni e navigando ho visto I bellissim prodotti su mazzolabluce e la sua pubbilcita ha attirato molto la Mia attenzione dando UN,occhiata Al Sito ho subito Trovato quello che cercavo.
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Posso reputare la mia personale esperienza con vito 10!ottimo rivenditore online preciso puntuale e con tanti bei prodotti di qualita .Grazie a laro sono riuscito a trovare questi faretti da incasso commercio fino ad ora ne …
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C e Molta Scelta ,proprio per question ho trovato quello che cercavo .optimo prodotto,spedizione rapida, imballaggio perfetto. Inoltre la comunicazione constante rende l qcquisto facile e tranquillo.
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The variety of lamps is very complete. I found the lamp I wanted. Kosoom is as professional as ever.
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Ho acquistato un luce da incasso malto bello facile da pasizionare.lmballaggio e spedizione perfetto.acquistero ancora!




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